charm-ceph-proxy/files/nagios/check_ceph_status.py
2014-10-30 16:57:10 +10:00

45 lines
1.6 KiB
Python
Executable File

#!/usr/bin/env python
# Copyright (C) 2014 Canonical
# All Rights Reserved
# Author: Jacek Nykis <jacek.nykis@canonical.com>
import re
import argparse
import subprocess
import nagios_plugin
def check_ceph_status(args):
if args.status_file:
nagios_plugin.check_file_freshness(args.status_file, 3600)
with open(args.status_file, "r") as f:
lines = f.readlines()
status_data = dict(l.strip().split(' ', 1) for l in lines if len(l) > 1)
else:
lines = subprocess.check_output(["ceph", "status"]).split('\n')
status_data = dict(l.strip().split(' ', 1) for l in lines if len(l) > 1)
if ('health' not in status_data
or 'monmap' not in status_data
or 'osdmap'not in status_data):
raise nagios_plugin.UnknownError('UNKNOWN: status data is incomplete')
if status_data['health'] != 'HEALTH_OK':
msg = 'CRITICAL: ceph health status: "{}"'.format(status_data['health'])
raise nagios_plugin.CriticalError(msg)
osds = re.search("^.*: (\d+) osds: (\d+) up, (\d+) in", status_data['osdmap'])
if osds.group(1) > osds.group(2): # not all OSDs are "up"
msg = 'CRITICAL: Some OSDs are not up. Total: {}, up: {}'.format(
osds.group(1), osds.group(2))
raise nagios_plugin.CriticalError(msg)
print "All OK"
if __name__ == '__main__':
parser = argparse.ArgumentParser(description='Check ceph status')
parser.add_argument('-f', '--file', dest='status_file',
default=False, help='Optional file with "ceph status" output')
args = parser.parse_args()
nagios_plugin.try_check(check_ceph_status, args)